body#tinymce.wp-editor { 
    font-family: "Lato", "Helvetica Neue", Helvetica, Arial, sans-serif; 
    margin: 10px; 
}

body#tinymce.wp-editor a {
    color: #68B1D5;
}

body#tinymce.wp-editor img{ 
    max-width: 100%;
}